Publications

(\(^\dagger\)Equal contribution, \(^*\)Corresponding author)

Journal & Magazine Papers

  1. Songshi Dou, Shengyu Zhang, Zhenglong Li, Jinxian Wu, Xianhao Chen, & Lawrence K. Yeung
    SpaceCache+: Towards Pervasive Content Delivery via Low-Earth Orbit Mega-Constellations
    [TSC’25]: IEEE Transactions on Services Computing, Accepted

  2. Songshi Dou, Zehua Guo, & Lawrence K. Yeung
    Unleashing the Potential of LEO Constellations in Building Resilient and Low-Latency Control Plane for SD-WANs
    [ToN’25]: IEEE Transactions on Networking, Accepted

  3. Jinxian Wu, Li Dai, Songshi Dou, Yunshan Deng, & Yuanqing Xia
    Towards Improved Performance of Inner Convex Approximation for Suboptimal Nonlinear MPC
    [TCYB’25]: IEEE Transactions on Cybernetics, vol. 55, no. 9, pp. 4322-4332, 2025

  4. Jinxian Wu, Li Dai, Songshi Dou, & Yuanqing Xia
    Accelerated Successive Convex Approximation for Nonlinear Optimization-Based Control
    [TAC’25]: IEEE Transactions on Automatic Control, vol. 70, no. 9, pp. 6237-6244, 2025

  5. Songshi Dou & Zehua Guo
    Maintaining Predictable Traffic Engineering Performance under Controller Failures for Software-Defined WANs
    [JSAC’25]: IEEE Journal on Selected Areas in Communications, vol. 43, no. 2, pp. 524-536, 2025

  6. Tengteng Zhu, Zehua Guo, Chao Yao, Jiaxin Tan, Songshi Dou, Wenrun Wang, & Zhenzhen Han
    Byzantine-robust Federated Learning via Cosine Similarity Aggregation
    [COMNET’24]: Elsevier Computer Networks, vol. 254, p. 110730, 2024

  7. Songshi Dou, Li Qi, Jianye Wang, & Zehua Guo
    EPIC: Traffic Engineering-centric Path Programmability Recovery under Controller Failures in SD-WANs
    [ToN’24]: IEEE/ACM Transactions on Networking, vol. 32, no. 6, pp. 4871-4884, 2024

  8. Zehua Guo, Li Qi, Songshi Dou, Jiawei Weng, Xiaoyang Fu, & Yuanqing Xia
    Maintaining Control Resiliency for Traffic Engineering in SD-WANs
    [ToN’24]: IEEE/ACM Transactions on Networking, vol. 32, no. 4, pp. 3485-3498, 2024

  9. Songshi Dou & Zehua Guo
    Path Programmability Recovery under Controller Failures for SD-WANs: Recent Advances and Future Research Challenges
    [COMMAG’24]: IEEE Communications Magazine, vol. 62, no. 11, pp. 100-106, 2024

  10. Songshi Dou, Li Qi, & Zehua Guo
    Mitigating the Impact of Controller Failures on QoS Robustness for Software-Defined Wide Area Networks
    [COMNET’24]: Elsevier Computer Networks, vol. 238, p. 110096, 2024

  11. Zehua Guo, Changlin Li, Yang Li, Songshi Dou, Bida Zhang, & Weichao Wu
    Maintaining the Network Performance of Software-Defined WANs with Efficient Critical Routing
    [TNSM’24]: IEEE Transactions on Network and Service Management, vol. 21, no. 2, pp. 2240-2252, 2024

  12. Yuntian Zhang, Ning Han, Tengteng Zhu, Junjie Zhang, Minghao Ye, Songshi Dou, & Zehua Guo
    Prophet: Traffic Engineering-centric Traffic Matrix Prediction
    [ToN’24]: IEEE/ACM Transactions on Networking, vol. 32, no. 1, pp. 822-832, 2024

  13. Zehua Guo, Songshi Dou, Wenchao Jiang, & Yuanqing Xia
    Toward Improved Path Programmability Recovery for Software-Defined WANs under Multiple Controller Failures
    [ToN’24]: IEEE/ACM Transactions on Networking, vol. 32, no. 1, pp. 143-158, 2024

  14. Songshi Dou\(^\dagger\), Li Qi\(^\dagger\), Chao Yao, & Zehua Guo
    Exploring the Impact of Critical Programmability on Controller Placement for Software-Defined Wide Area Networks
    [ToN’23]: IEEE/ACM Transactions on Networking, vol. 31, no. 6, pp. 2575-2588, 2023

  15. Zehua Guo, Songshi Dou\(^*\), Wenfei Wu, & Yuanqing Xia
    Toward Flexible and Predictable Path Programmability Recovery under Multiple Controller Failures in Software-Defined WANs
    [ToN’23]: IEEE/ACM Transactions on Networking, vol. 31, no. 5, pp. 1965-1980, 2023

  16. Zehua Guo, Songshi Dou, Sen Liu, Wendi Feng, Wenchao Jiang, Yang Xu, & Zhi-Li Zhang
    Maintaining Control Resiliency and Flow Programmability in Software-Defined WANs During Controller Failures
    [ToN’22]: IEEE/ACM Transactions on Networking, vol. 30, no. 3, pp. 969-984, 2022

  17. Haoran Ni, Zehua Guo, Changlin Li, Songshi Dou, Chao Yao, & Thar Baker
    Network Coding-based Resilient Routing for Maintaining Data Security and Availability in Software-Defined Networks
    [JNCA’22]: Elsevier Journal of Network and Computer Applications, vol. 205, p. 103372, 2022

  18. Zehua Guo, Songshi Dou, Yi Wang, Sen Liu, Wendi Feng, & Yang Xu
    HybridFlow: Achieving Load Balancing in Software-Defined WANs with Scalable Routing
    [TCOM’21]: IEEE Transactions on Communications, vol. 69, no. 8, pp. 5255-5268, 2021

  19. Songshi Dou, Guochun Miao, Zehua Guo, Chao Yao, Weiran Wu, & Yuanqing Xia
    Matchmaker: Maintaining Network Programmability for Software-Defined WANs under Multiple Controller Failures
    [COMNET’21]: Elsevier Computer Networks, vol. 192, p. 108045, 2021

Conference & Workshop Papers

  1. Shengyu Zhang, Songshi Dou\(^*\), Zhenglong Li, Lawrence K. Yeung & Tony Q.S. Quek
    Oracle: QoS-aware Online Service Provisioning in Non-Terrestrial Networks with Safe Transfer Learning
    [INFOCOM’25]: IEEE International Conference on Computer Communications 2025

  2. Junwei Wu, Songshi Dou\(^*\), & Lawrence K. Yeung
    Entanglement-Reusable Dynamic Routing for Quantum Networks
    [ICCE’25]: IEEE International Conference on Consumer Electronics 2025 (Best Paper Candidate Award)

  3. Songshi Dou, Li Qi, & Zehua Guo
    Ares: Predictable Traffic Engineering under Controller Failures in SD-WANs
    [WWW’24]: ACM Web Conference 2024

  4. Songshi Dou, Xianhao Chen, & Lawrence K. Yeung
    Enabling Practical and Efficient Content Delivery from Emerging LEO Mega-Constellations
    [ICME’24]: IEEE International Conference on Multimedia and Expo 2024

  5. Songshi Dou, Shengyu Zhang, & Lawrence K. Yeung
    Achieving Predictable and Scalable Load Balancing Performance in LEO Mega-Constellations
    [ICC’24]: IEEE International Conference on Communications 2024

  6. Songshi Dou, Yongchao He, Sen Liu, Wenfei Wu, & Zehua Guo
    RateSheriff: Multipath Flow-aware and Resource Efficient Rate Limiter Placement for Data Center Networks
    [IWQoS’23]: IEEE/ACM International Symposium on Quality of Service 2023

  7. Li Qi\(^\dagger\), Songshi Dou\(^\dagger\), Zehua Guo, Changlin Li, Yang Li, & Tengteng Zhu
    Low Control Latency SD-WANs for Metaverse
    [SocialMeta’22]: International Workshop on Social and Metaverse Computing and Networking 2022

  8. Songshi Dou, Zehua Guo, & Yuanqing Xia
    ProgrammabilityMedic: Predictable Path Programmability Recovery under Multiple Controller Failures in SD-WANs
    [ICDCS’21]: IEEE International Conference on Distributed Computing Systems 2021

  9. Yijun Sun, Zehua Guo, Songshi Dou, & Yuanqing Xia
    Video Quality and Popularity-aware Video Caching in Content Delivery Networks
    [ICWS’21]: IEEE International Conference on Web Services 2021

  10. Zehua Guo, Songshi Dou, & Wenchao Jiang
    Improving the Path Programmability for Software-Defined WANs under Multiple Controller Failures
    [IWQoS’20]: IEEE/ACM International Symposium on Quality of Service 2020

Chinese Publications (in Chinese)

  1. Yazhu Zhao, Zehua Guo, Songshi Dou, & Xiaoyang Fu
    Recent Advances in Programmable Schedulers
    [JEIT’25]: Journal of Electronics and Information Technology, Accepted

  2. Zehua Guo, Songshi Dou, Li Qi, & Julong Lan
    A Survey of Maintaining the Path Programmability in Software-Defined Wide Area Networks
    [JEIT’23]: Journal of Electronics and Information Technology, 45(5): 1899-1910, 2023

Posters & Demos

  1. Songshi Dou, Li Qi, & Zehua Guo
    Maintaining QoS-aware and Resilient Path Programmability for Metaverse in SD-WANs
    [TURC’23]: ACM Turing Award Celebration Conference 2023

  2. Yijun Sun, Zehua Guo, Songshi Dou, Junjie Zhang, Changlin Li, & Xiang Ouyang
    Poster: Enabling Fast Forwarding in Hybrid Software-Defined Networks
    [ICNP’21]: IEEE International Conference on Network Protocols 2021